Intel Unison software: Access of Memory Location After End of Buffer
CVE-2023-38570 is a high-severity access of memory location after end of buffer vulnerability in Intel Unison software, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Intel Unison software versions: See references. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.23% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Unison Software to 20.14.5683.0 or 20.14.4244 or 20.14.2.3053, whichever matches your release line, or a later version.
- Read the advisory on intel.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Intel Unison software | Intel Unison software | See references | Not stated |
| Intel | Unison Software | before 20.14.5683.0; before 20.14.4244; before 20.14.2.3053 | 20.14.5683.0, 20.14.4244, 20.14.2.3053 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 5.3 | Medium | CNA (intel.com) |
| CVSS 3.1 | 7.8 | High | NVD |
Official description
Access of memory location after end of buffer for some Intel Unison software may allow an authenticated user to potentially enable escalation of privilege via local access.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Access of Memory Location After End of Buffer
The product reads or writes to a buffer using an index or pointer that references a memory location after the end of the buffer.
More Access of Memory Location After End of Buffer vulnerabilities (CWE-788)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Intel Unison software
- 8.8 High severity
- 8.8 High severity
- 8.8 High severity
- 8.8 High severity
- 7.5 High severity
- 7.8 High severity
Recent Access of Memory Location After End of Buffer vulnerabilities
- 7.5 High severity
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